Girl who's grown up in the West Country (5)

I believe the answer is:

woman

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'girl' is the definition.
(I know that girl can be written as woman)

'west country' is the wordplay.
'west' becomes 'W' (abbreviation).
'country' becomes 'oman' (Oman is an example).
'w'+'oman'='WOMAN'

'who's grown up in the' is the link.
This may not be correct. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for woman that I've seen before include "Adult female" , "Lady" , "person not going on stag-night" , "With 1a [NEW] a freedom fighter" , "Mature female" .)

I've seen this clue in The Globe and Mail.

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